A biologic-response teether (150). The teether (150) has a shield (160) andone or two generally "T"-shaped biteportions (170, 180) projecting from the shield (160). The bite portions (170,180) each define an elongated stem (171, 181)closest to the shield (160) and two arms (169, 168) that are coupled to andtransverse to the stem (171, 181).